$(function() {
	$.fn.dataTableExt.oJUIClasses.sStripOdd  = "";
	$.fn.dataTableExt.oJUIClasses.sStripEven = "";
	$.fn.dataTableExt.oJUIClasses.sSortAsc   = "";
	$.fn.dataTableExt.oJUIClasses.sSortDesc  = "";
	$.fn.dataTableExt.oJUIClasses.sSortable  = "";
	$.fn.dataTableExt.oJUIClasses.sSortableNone  = "";
});

jQuery.fn.dataTableExt.oApi.fnSetFilteringDelay = function ( oSettings, iDelay ) {
	/*
	 * Type:        Plugin for DataTables (www.datatables.net) JQuery plugin.
	 * Name:        dataTableExt.oApi.fnSetFilteringDelay
	 * Version:     2.2.0
	 * Description: Enables filtration delay for keeping the browser more
	 *              responsive while searching for a longer keyword.
	 * Inputs:      object:oSettings - dataTables settings object
	 *              integer:iDelay - delay in miliseconds
	 * Returns:     JQuery
	 * Usage:       $('#example').dataTable().fnSetFilteringDelay(250);
	 * Requires:	  DataTables 1.6.0+
	 *
	 * Author:      Zygimantas Berziunas (www.zygimantas.com) and Allan Jardine (v2)
	 * Created:     7/3/2009
	 * Language:    Javascript
	 * License:     GPL v2 or BSD 3 point style
	 * Contact:     zygimantas.berziunas /AT\ hotmail.com
	 */
	var _that = this;
	this.each( function ( i ) {
		$.fn.dataTableExt.iApiIndex = i;
		var	iDelay = (iDelay && (/^[0-9]+$/.test(iDelay)) ? iDelay : 500),
			$this = this, 
			oTimerId = null, 
			sPreviousSearch = null,
			anControl = $( 'input', _that.fnSettings().aanFeatures.f );
			
			anControl.unbind( 'keyup' ).bind( 'keyup', function() {
			var $$this = $this;

			if (sPreviousSearch === null || sPreviousSearch != anControl.val()) {
				window.clearTimeout(oTimerId);
				sPreviousSearch = anControl.val();	
				oTimerId = window.setTimeout(function() {
					$.fn.dataTableExt.iApiIndex = i;
					_that.fnFilter( anControl.val() );
				}, iDelay);
			}
		});
		
		return this;
	} );
	return this;
};

(function($) {
/*
 * Function: fnGetColumnData
 * Purpose:  Return an array of table values from a particular column.
 * Returns:  array string: 1d data array 
 * Inputs:   object:oSettings - dataTable settings object. This is always the last argument past to the function
 *           int:iColumn - the id of the column to extract the data from
 *           bool:bUnique - optional - if set to false duplicated values are not filtered out
 *           bool:bFiltered - optional - if set to false all the table data is used (not only the filtered)
 *           bool:bIgnoreEmpty - optional - if set to false empty values are not filtered from the result array
 * Author:   Benedikt Forchhammer <b.forchhammer /AT\ mind2.de>
 */
$.fn.dataTableExt.oApi.fnGetColumnData = function ( oSettings, iColumn, bUnique, bFiltered, bIgnoreEmpty ) {
	// check that we have a column id
	if ( typeof iColumn == "undefined" ) return new Array();
	
	// by default we only wany unique data
	if ( typeof bUnique == "undefined" ) bUnique = true;
	
	// by default we do want to only look at filtered data
	if ( typeof bFiltered == "undefined" ) bFiltered = true;
	
	// by default we do not wany to include empty values
	if ( typeof bIgnoreEmpty == "undefined" ) bIgnoreEmpty = true;
	
	// list of rows which we're going to loop through
	var aiRows;
	
	// use only filtered rows
	if (bFiltered == true) aiRows = oSettings.aiDisplay; 
	// use all rows
	else aiRows = oSettings.aiDisplayMaster; // all row numbers

	// set up data array	
	var asResultData = new Array();
	
	for (var i=0,c=aiRows.length; i<c; i++) {
		iRow = aiRows[i];
		var aData = this.fnGetData(iRow);
		var sValue = aData[iColumn];
		
		// ignore empty values?
		if (bIgnoreEmpty == true && sValue.length == 0) continue;

		// ignore unique values?
		else if (bUnique == true && jQuery.inArray(sValue, asResultData) > -1) continue;
		
		// else push the value onto the result data array
		else asResultData.push(sValue);
	}
	
	return asResultData;
}}(jQuery));

(function($) {
$.fn.dataTableExt.oApi.fnCreateFilters = function ( oSettings, asColumn ) {
	if ( typeof asColumn == "undefined" ) {
		asColumn = [];
	}
	var header = $("#"+oSettings.sTableId+" > thead");
	var numCols = $("tr", header).children().length;
	var sHead = '<tr>';
	for ( var k=0 ; k < numCols ; k++ ) {
		sHead += '<th></th>';
	}
	sHead += '</tr>';
	$(header).append(sHead);
	
	var _that = this;
	var aData;
	var sCurrValue;
	var sSelectIni = '';
	var sSelectOpt = '';
	var sSelectEnd = '</select>';
	for ( var k=0 ; k < asColumn.length ; k++ ) {
		sSelectIni = '<select id="'+asColumn[k]+'columnFilter"><option value=""></option>';
		sCurrValue = oSettings.aoPreSearchCols[asColumn[k]].sSearch;
		sSelectOpt = '';
		aData = this.fnGetColumnData(asColumn[k], true, false, true);
		for (var j=0 ; j<aData.length ; j++ ) {
			if(aData[j] == sCurrValue) {
				sSelectOpt += '<option value="'+aData[j]+'" selected="selected">'+aData[j]+'</option>';
			} else {
				sSelectOpt += '<option value="'+aData[j]+'">'+aData[j]+'</option>';
			}
		}
		$("tr:last > th:eq("+asColumn[k]+")", header).append(sSelectIni+sSelectOpt+sSelectEnd).find("select").change(function () {
			//alert("valor: "+$(this).val()+", columna: "+$(this).attr("id").substring(0,1));
			_that.fnFilter( $(this).val(), parseInt($(this).attr("id").substring(0,1)) );
		});
	}

	return this;
}}(jQuery));

function fnResetAllFilters(oTable) {
	var oSettings = oTable.fnSettings();
	for(iCol = 0; iCol < oSettings.aoPreSearchCols.length; iCol++) {
		oSettings.aoPreSearchCols[ iCol ].sSearch = '';
	}
	oTable.fnDraw();
	//console.log(oSettings);
}